What Landmarks Are Used for the Administration of an Intramuscular

What landmarks are used for the administration of an intramuscular injection into the gluteal site?

A) The tip of the coccyx and the greater trochanter
B) Between the center of the gluteus and the iliac spine
C) Between the posterior iliac crest and the greater trochanter
D) On an imaginary line between the center of the gluteus and the greater trochanter